From 67f7ecf731d14f732db9d685aefd011f770d21a3 Mon Sep 17 00:00:00 2001 From: Mohamed Tarek Date: Thu, 29 Apr 2010 15:14:43 +0000 Subject: Revert r25739 which added libwmapro to apps/codecs, in preparation to commit the unmodified ffmpeg files first, for the sake of a consistent/complete svn history. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25758 a1c6a512-1295-4272-9138-f99709370657 --- apps/codecs/libwmapro/wma.h | 163 -------------------------------------------- 1 file changed, 163 deletions(-) delete mode 100644 apps/codecs/libwmapro/wma.h (limited to 'apps/codecs/libwmapro/wma.h') diff --git a/apps/codecs/libwmapro/wma.h b/apps/codecs/libwmapro/wma.h deleted file mode 100644 index 11274ad970..0000000000 --- a/apps/codecs/libwmapro/wma.h +++ /dev/null @@ -1,163 +0,0 @@ -/* - * WMA compatible codec - * Copyright (c) 2002-2007 The FFmpeg Project - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVCODEC_WMA_H -#define AVCODEC_WMA_H - -#include "get_bits.h" -#include "put_bits.h" -#include "dsputil.h" -#include "fft.h" - -/* size of blocks */ -#define BLOCK_MIN_BITS 7 -#define BLOCK_MAX_BITS 11 -#define BLOCK_MAX_SIZE (1 << BLOCK_MAX_BITS) - -#define BLOCK_NB_SIZES (BLOCK_MAX_BITS - BLOCK_MIN_BITS + 1) - -/* XXX: find exact max size */ -#define HIGH_BAND_MAX_SIZE 16 - -#define NB_LSP_COEFS 10 - -/* XXX: is it a suitable value ? */ -#define MAX_CODED_SUPERFRAME_SIZE 16384 - -#define MAX_CHANNELS 2 - -#define NOISE_TAB_SIZE 8192 - -#define LSP_POW_BITS 7 - -//FIXME should be in wmadec -#define VLCBITS 9 -#define VLCMAX ((22+VLCBITS-1)/VLCBITS) - -typedef float WMACoef; ///< type for decoded coefficients, int16_t would be enough for wma 1/2 - -typedef struct CoefVLCTable { - int n; ///< total number of codes - int max_level; - const uint32_t *huffcodes; ///< VLC bit values - const uint8_t *huffbits; ///< VLC bit size - const uint16_t *levels; ///< table to build run/level tables -} CoefVLCTable; - -typedef struct WMACodecContext { - AVCodecContext* avctx; - GetBitContext gb; - PutBitContext pb; - int sample_rate; - int nb_channels; - int bit_rate; - int version; ///< 1 = 0x160 (WMAV1), 2 = 0x161 (WMAV2) - int block_align; - int use_bit_reservoir; - int use_variable_block_len; - int use_exp_vlc; ///< exponent coding: 0 = lsp, 1 = vlc + delta - int use_noise_coding; ///< true if perceptual noise is added - int byte_offset_bits; - VLC exp_vlc; - int exponent_sizes[BLOCK_NB_SIZES]; - uint16_t exponent_bands[BLOCK_NB_SIZES][25]; - int high_band_start[BLOCK_NB_SIZES]; ///< index of first coef in high band - int coefs_start; ///< first coded coef - int coefs_end[BLOCK_NB_SIZES]; ///< max number of coded coefficients - int exponent_high_sizes[BLOCK_NB_SIZES]; - int exponent_high_bands[BLOCK_NB_SIZES][HIGH_BAND_MAX_SIZE]; - VLC hgain_vlc; - - /* coded values in high bands */ - int high_band_coded[MAX_CHANNELS][HIGH_BAND_MAX_SIZE]; - int high_band_values[MAX_CHANNELS][HIGH_BAND_MAX_SIZE]; - - /* there are two possible tables for spectral coefficients */ -//FIXME the following 3 tables should be shared between decoders - VLC coef_vlc[2]; - uint16_t *run_table[2]; - float *level_table[2]; - uint16_t *int_table[2]; - const CoefVLCTable *coef_vlcs[2]; - /* frame info */ - int frame_len; ///< frame length in samples - int frame_len_bits; ///< frame_len = 1 << frame_len_bits - int nb_block_sizes; ///< number of block sizes - /* block info */ - int reset_block_lengths; - int block_len_bits; ///< log2 of current block length - int next_block_len_bits; ///< log2 of next block length - int prev_block_len_bits; ///< log2 of prev block length - int block_len; ///< block length in samples - int block_num; ///< block number in current frame - int block_pos; ///< current position in frame - uint8_t ms_stereo; ///< true if mid/side stereo mode - uint8_t channel_coded[MAX_CHANNELS]; ///< true if channel is coded - int exponents_bsize[MAX_CHANNELS]; ///< log2 ratio frame/exp. length - DECLARE_ALIGNED(16, float, exponents)[MAX_CHANNELS][BLOCK_MAX_SIZE]; - float max_exponent[MAX_CHANNELS]; - WMACoef coefs1[MAX_CHANNELS][BLOCK_MAX_SIZE]; - DECLARE_ALIGNED(16, float, coefs)[MAX_CHANNELS][BLOCK_MAX_SIZE]; - DECLARE_ALIGNED(16, FFTSample, output)[BLOCK_MAX_SIZE * 2]; - FFTContext mdct_ctx[BLOCK_NB_SIZES]; - float *windows[BLOCK_NB_SIZES]; - /* output buffer for one frame and the last for IMDCT windowing */ - DECLARE_ALIGNED(16, float, frame_out)[MAX_CHANNELS][BLOCK_MAX_SIZE * 2]; - /* last frame info */ - uint8_t last_superframe[MAX_CODED_SUPERFRAME_SIZE + 4]; /* padding added */ - int last_bitoffset; - int last_superframe_len; - float noise_table[NOISE_TAB_SIZE]; - int noise_index; - float noise_mult; /* XXX: suppress that and integrate it in the noise array */ - /* lsp_to_curve tables */ - float lsp_cos_table[BLOCK_MAX_SIZE]; - float lsp_pow_e_table[256]; - float lsp_pow_m_table1[(1 << LSP_POW_BITS)]; - float lsp_pow_m_table2[(1 << LSP_POW_BITS)]; - DSPContext dsp; - -#ifdef TRACE - int frame_count; -#endif -} WMACodecContext; - -extern const uint16_t ff_wma_critical_freqs[25]; -extern const uint16_t ff_wma_hgain_huffcodes[37]; -extern const uint8_t ff_wma_hgain_huffbits[37]; -extern const float ff_wma_lsp_codebook[NB_LSP_COEFS][16]; -extern const uint32_t ff_aac_scalefactor_code[121]; -extern const uint8_t ff_aac_scalefactor_bits[121]; - -int av_cold ff_wma_get_frame_len_bits(int sample_rate, int version, - unsigned int decode_flags); -int ff_wma_init(AVCodecContext * avctx, int flags2); -int ff_wma_total_gain_to_bits(int total_gain); -int ff_wma_end(AVCodecContext *avctx); -unsigned int ff_wma_get_large_val(GetBitContext* gb); -int ff_wma_run_level_decode(AVCodecContext* avctx, GetBitContext* gb, - VLC *vlc, - const float *level_table, const uint16_t *run_table, - int version, WMACoef *ptr, int offset, - int num_coefs, int block_len, int frame_len_bits, - int coef_nb_bits); - -#endif /* AVCODEC_WMA_H */ -- cgit v1.2.3